修改列宽渲染问题

src/pages/main/performance/index.vue

@@ -10,7 +10,7 @@
                 ></el-tab-pane>
             </el-tabs>
         </div>
-        <div class="container-viewport flex-1">
+        <div v-if="routes.length" class="container-viewport flex-1">
             <div class="font-size-30 padding-bottom-20 padding-left-20">
                 {{ handleLabel(name) }}
             </div>